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Precise Radial-velocity Measurements with a Cassegrain Spectrograph, II: Radial-velocity Determination and Applications

Published online by Cambridge University Press:  12 April 2016

I. V. Ilyin  and
R. Duemmler
I. V. Ilyin
Affiliation:
Astronomy Division, University of Oulu, FIN-90571, Oulu, Finland
R. Duemmler
Affiliation:
Astronomy Division, University of Oulu, FIN-90571, Oulu, Finland

Abstract

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We present our measurements of radial velocities of two stars suspected to have a substellar companion by using observations made with a cassegrain échelle spectrograph. The stability issues and details of the data reduction are discussed in Ilyin & Duemmler (paper I, these proceedings). The results obtained here show that relatively high accuracy of radial velocity determinations is also attainable for cassegrain spectrographs.

Type
Part 2. Fundamental Concepts and Techniques
Information
International Astronomical Union Colloquium , Volume 170: Precise Stellar Radial Velocities , 1999 , pp. 68 - 72
Copyright
Copyright © Astronomical Society of the Pacific 1999

References

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